mleighaj7145 mleighaj7145
  • 22-04-2022
  • Mathematics
contestada

Solve the system of equations algebraically show all work.

Y=-x^2+8x+11

Y=5x-7

Respuesta :

goodnessiberosi
goodnessiberosi goodnessiberosi
  • 22-04-2022

Answer:

ummmm..... let's see..

Step-by-step explanation:

using "Almighty formula"

{Y = –x +/– √b^2 – 4ac / 2a}

so we name all the values behind the coefficients which are; –1^2, 8 and 11

so let's assign a,b,c to these values:

a =–1, b =8, c = 11

all you just do now is to add these values to the formula

you should be having Y =1 +/– √8^2 – 4×–1×11

———————————

2×–1

Y =1 +108

———— or Y = 1–108

–2 –––––

–2

now add and divide to get Y.

(your answer will be two)

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